Hatches (with all variables the same) look different from machine to machine as though different scales were used. Is there a system variable that could be affecting it?
verify the variables MEASUREINIT and MEASUREMENT again. And search for the *.pat files. Are they different?
Move the hatches to 0,0,0. Sometimes they look different, if You have large values. Which ACAD-versions are You running?
Did You install 3rd-party-programs like pit-cup,...?